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/*
* Copyright (C) 2006 Apple Computer, Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "ImageDecoder.h"
// FIXME: Are all these needed?
#include <wx/defs.h>
#include <wx/bitmap.h>
#if USE(WXGC)
#include <wx/graphics.h>
#endif
#include <wx/image.h>
#include <wx/rawbmp.h>
namespace WebCore {
NativeImagePtr ImageFrame::asNewNativeImage() const
{
wxBitmap* bmp = new wxBitmap(width(), height(), 32);
{
typedef wxPixelData<wxBitmap, wxAlphaPixelFormat> WxPixelData;
WxPixelData data(*bmp);
// NB: It appears that the data is in BGRA format instead of RGBA format.
// This code works properly on both ppc and intel, meaning the issue is
// likely not an issue of byte order getting mixed up on different archs.
const unsigned char* bytes = (const unsigned char*)m_bytes;
int rowCounter = 0;
long pixelCounter = 0;
WxPixelData::Iterator p(data);
WxPixelData::Iterator rowStart = p;
for (size_t i = 0; i < m_size.width() * m_size.height() * sizeof(PixelData); i += sizeof(PixelData)) {
#if !CPU(BIG_ENDIAN)
p.Alpha() = bytes[i + 3];
p.Red() = bytes[i + 2];
p.Green() = bytes[i + 1];
p.Blue() = bytes[i + 0];
#else
p.Alpha() = bytes[i + 0];
p.Red() = bytes[i + 1];
p.Green() = bytes[i + 2];
p.Blue() = bytes[i + 3];
#endif
p++;
pixelCounter++;
if ((pixelCounter % width()) == 0) {
rowCounter++;
p = rowStart;
p.MoveTo(data, 0, rowCounter);
}
}
#if !wxCHECK_VERSION(2,9,0)
bmp->UseAlpha();
#endif
} // ensure that WxPixelData is destroyed as it unlocks the bitmap data in
// its dtor and we can't access it (notably in CreateBitmap() below)
// before this is done
ASSERT(bmp->IsOk());
#if USE(WXGC)
wxGraphicsRenderer* renderer = 0;
#if wxUSE_CAIRO
renderer = wxGraphicsRenderer::GetCairoRenderer();
#else
renderer = wxGraphicsRenderer::GetDefaultRenderer();
#endif
ASSERT(renderer);
wxGraphicsBitmap* bitmap = new wxGraphicsBitmap(renderer->CreateBitmap(*bmp));
delete bmp;
return bitmap;
#else
return bmp;
#endif
}
} // namespace WebCore
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